Base | Representation |
---|---|
bin | 100110101010110101… |
… | …1111111111000000000 |
3 | 21221100100010110022122 |
4 | 1031111223333320000 |
5 | 2330032221211213 |
6 | 102052101423412 |
7 | 5666600101511 |
oct | 1152553777000 |
9 | 257310113278 |
10 | 83041975808 |
11 | 32244037580 |
12 | 1411670ab68 |
13 | 7aa54252bc |
14 | 403ab8aa08 |
15 | 22605a4d08 |
hex | 1355affe00 |
83041975808 has 80 divisors (see below), whose sum is σ = 181105372800. Its totient is φ = 37725542400.
The previous prime is 83041975789. The next prime is 83041975817. The reversal of 83041975808 is 80857914038.
It is a self number, because there is not a number n which added to its sum of digits gives 83041975808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15378293 + ... + 15383691.
It is an arithmetic number, because the mean of its divisors is an integer number (2263817160).
Almost surely, 283041975808 is an apocalyptic number.
83041975808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83041975808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90552686400).
83041975808 is an abundant number, since it is smaller than the sum of its proper divisors (98063396992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83041975808 is a wasteful number, since it uses less digits than its factorization.
83041975808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8159 (or 8143 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 53.
The spelling of 83041975808 in words is "eighty-three billion, forty-one million, nine hundred seventy-five thousand, eight hundred eight".
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